Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.2 | Energy | 5:32 | "O" | Das Spiel | "O" | Single |
| BOY Records (German label, ZYX and SPV affiliated) | BOY 8821-8 |
| 1.31 | Energy | 5:57 | "O" | BOY Records - Timeless Technology 1988-1991 | Various Artists | Album + Compilation |
| Mecanica | MEC036 |
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